1. Last semester a certain professor gave 13 as out of 285 grades. if grades were assigned randomly what is the probability of an A.
2. A certain campus club is having a raffle and 1500 tickets will be sold. If the people on your floor of the dorm bought 285 of the tickets what is the probability that someone on your floor will hold the winning ticket
3. In how many ways can five taxi drivers be assigned to six cars?